Screw casing



A. BROWN.

SCREW NG.

APPLICATION' FIL AY e, 1922.

L@ Patented Nov. 'Z9 1922.

Patentedi'Nov. 7, 1922. I

STATES PTET] OFFICE.

ALBERT BROWN, F VALE, OREGON, ASSIGNOR 0F ONE-HALF TO GEORGE W.

CLEYIENGER, OF VALE, OREGON.

SCREW CASING.

Application filed May 6, 1922. Serial No. 558,957. n

To all 'whom t Vmay concern.' one end to the other as at l. By havingthe Be it known that ALBERT BROWN, a citicasing split or open at oneside the same zenof the United States, residing at Vale, can be readilyexpanded when applied in in the county of- Malheur and State of Oretheopening in the wood and as the screw l e gon, has invented certain newand useful is inserted therein.

Improvements in Screw Casings, of which The casing has pressed orotherwise formi the following is a specification, reference beed thereinthe threads 2 coincident with the tt ing had to the accompanyingdrawings. threads on the screw S.

This invention relates to certain improve- The' casing, as disclosedherein, is of a MD ments in a screw casing and it is an object typeparticularly adapted for wood screws of the invention to provide a noveland imand especially in connection with furniture, proved device of thisgeneral character musical instruments, refrigerators or other 60- Whichis adapted to be inserted Within the wood work. The wall defining thescrew work and in which the screw is directly enopening is preventedfrom rotting by water i5 gaged whereby the hole is prevented from andthe screw S can also be repeatedly rerotting and permitting the screw tobe removed or applied without ruining the moved or applied indefinitelywithout enthreads or enlarging the screw opening and larging the screwhole and to further asthereby'preventing the screw fromA worksure themaintenance of the screw in aping or being pulled out. "u pliedposition. The outer end of the casing isdefined by The inventionconsists in the details of a laterally disposed flange 3 which isadaptconstruction and in the combination and ed to fit tightly againstthe adjacent surface arran ement of the several parts of my imof thewood work when the casing is in approve screw casing whereby certainimporplied position. 25 tant advantages are attained and the deviceStruck fFOIIl 0r Otherwise provided on therenderedsimpler,lessexpensiveandotherwise casing are the prongs or barbs4 disposed more convenient and advantageous for use, 011 all OutWldlClIle toward the/opening as will be hereinafter more fully set forth.or entrance end of .the casing.l As the ends The novel features-of myinvention will expand upon the insertion of aY screw S hereinafter bedefinitely claimed. therein the prongs or bars 4 will penetrate In orderthat my invention may be the the Wall defining the screw openingwherebetter understood, l will now proceed to by said sleeve iseectively maintained in 80 describe the same with reference to theacapplied or working position. v companying drawings, wherein: From theforegoing description it is Figure l is a view partly in elevation andthought to be obvious that a screw casing partly in sectionyillustrating a screw casing constructed in accordance with my inventionconstructed in accordance with an embodiis particularly well adapted foruse by rea- 85 ment of my invention and in applied posison of theconvenience and facility with tion, y which it may be assembled andoperated.

e@ Figure 2 is a view similar to Figure 1 and it will also be obviousthat my invention with the casing in elevation, and is susceptible ofsome change and modifi'ca- Figure 3 is a view in plan showing a blanktion without departing from the prin- 90 of which my improved casing'may be ciples and spirit thereof and for this formed. reason ll do notwish to be understood as et My improved casing is formed of a sheetlimiting myself to the precise arrangement ofrelatively thin metalrolled to conform and formation of the severalparts herein' to theperipheral configuration of the coshown in carrying out my invention inacting screw S', said casing being split from practice except ashereinafter claimed.

Q Luego@ inne? surface of the casing having threads to receive thethreads of the scfew, prongs lo' extending ontwardy from the easing, andincline in a direction toward the entrance end of the sleeve.

n testimony whereof I hereunto aix my signature.

ALBERT BROWN.

